Question: who is the astronomical observatory for operator of California Institute of technology?
Paraphrase: The Calif Inst of Technology uses what astronomical observatory?
SPARQL (Wikidata):  select distinct ?sbj where { ?sbj wdt:P137 wd:Q161562 . ?sbj wdt:P31 wd:Q1254933 } 
Answer: Owens Valley Radio Observatory, Palomar Observatory